package com.example.demo.mapper;
import com.example.demo.model.MessageInfo;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import java.util.List;
@Mapper
public interface MessageMapper {
    @Insert("insert into message_info (`from`,`to`,`message`) values (#{from},#{to},#{message})")
    Integer insertMessage(MessageInfo messageInfo);
    @Select("select * from message_info where delete_flag!=1")
    List<MessageInfo> queryMessageList();
}